var chartData = [
    {
        value: Math.random(),
        color: "#6ADAE4"
    },
    {
        value: Math.random(),
        color: "#F89406"
    },
    {
        value: Math.random(),
        color: "#FF0064"
    },
    {
        value: Math.random(),
        color: "#3498DB"
    },
    {
        value: Math.random(),
        color: "#1ABC9C"
    },
    {
        value: Math.random(),
        color: "#E74C3C"
    }
];
var myPolarArea = new Chart(document.getElementById("canvas3").getContext("2d")).PolarArea(chartData);